| Value | Category | Cases | |
|---|---|---|---|
| -9 | do not know | 2 |
1.7%
|
| 0 | 103 |
88.8%
|
|
| 1 | 1 |
0.9%
|
|
| 4 | 1 |
0.9%
|
|
| 10 | 2 |
1.7%
|
|
| 40 | 2 |
1.7%
|
|
| 50 | 3 |
2.6%
|
|
| 55 | 1 |
0.9%
|
|
| 100 | 1 |
0.9%
|
|
| Sysmiss | 125 |